Class: Serverspec::Type::Package::Version

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/serverspec/type/package.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(val) ⇒ Version

Returns a new instance of Version


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# File 'lib/serverspec/type/package.rb', line 27

def initialize(val)
  matches = val.match(/^(?:(\d+):)?(\d[0-9a-zA-Z.+:~-]*)$/)
  if matches.nil?
    raise ArgumentError, "Malformed version number string #{val}"
  end
  @epoch   = matches[1].to_i
  @version = matches[2].to_s
end

Instance Attribute Details

#epochObject (readonly)

Returns the value of attribute epoch


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# File 'lib/serverspec/type/package.rb', line 25

def epoch
  @epoch
end

#versionObject (readonly)

Returns the value of attribute version


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# File 'lib/serverspec/type/package.rb', line 25

def version
  @version
end

Instance Method Details

#<=>(other) ⇒ Object


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# File 'lib/serverspec/type/package.rb', line 36

def <=>(other)
  other = Version.new(other) if other.is_a?(String)
  rv    = @epoch <=> other.epoch
  return rv if rv != 0

  self.ver_array <=> other.ver_array
end

#ver_arrayObject


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# File 'lib/serverspec/type/package.rb', line 44

def ver_array
  val = @version
  re  = /^(?:(\d+)|(\D+))(.*)$/
  res = []
  until val.empty?
    matches = val.match(re)
    if matches[1].nil?
      # String
      matches[2].to_s.each_byte do |b|
        code_point = defined?("~".ord) ? "~".ord : ?~
        res << ((b == code_point) ? -2 : b)
      end
    else
      # Digits
      res << matches[1].to_i
    end
    val = matches[3].to_s
  end
  res << -1
end